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<pre><span class="sourceLineNo">001</span>package com.github.sarxos.webcam;<a name="line.1"></a>
<span class="sourceLineNo">002</span><a name="line.2"></a>
<span class="sourceLineNo">003</span>import org.slf4j.Logger;<a name="line.3"></a>
<span class="sourceLineNo">004</span>import org.slf4j.LoggerFactory;<a name="line.4"></a>
<span class="sourceLineNo">005</span><a name="line.5"></a>
<span class="sourceLineNo">006</span><a name="line.6"></a>
<span class="sourceLineNo">007</span>/**<a name="line.7"></a>
<span class="sourceLineNo">008</span> * Shutdown hook to be executed when JVM exits gracefully. This class intention<a name="line.8"></a>
<span class="sourceLineNo">009</span> * is to be used internally only.<a name="line.9"></a>
<span class="sourceLineNo">010</span> * <a name="line.10"></a>
<span class="sourceLineNo">011</span> * @author Bartosz Firyn (sarxos)<a name="line.11"></a>
<span class="sourceLineNo">012</span> */<a name="line.12"></a>
<span class="sourceLineNo">013</span>public final class WebcamShutdownHook extends Thread {<a name="line.13"></a>
<span class="sourceLineNo">014</span><a name="line.14"></a>
<span class="sourceLineNo">015</span>        /**<a name="line.15"></a>
<span class="sourceLineNo">016</span>         * Logger.<a name="line.16"></a>
<span class="sourceLineNo">017</span>         */<a name="line.17"></a>
<span class="sourceLineNo">018</span>        private static final Logger LOG = LoggerFactory.getLogger(WebcamShutdownHook.class);<a name="line.18"></a>
<span class="sourceLineNo">019</span><a name="line.19"></a>
<span class="sourceLineNo">020</span>        /**<a name="line.20"></a>
<span class="sourceLineNo">021</span>         * Number of shutdown hook instance.<a name="line.21"></a>
<span class="sourceLineNo">022</span>         */<a name="line.22"></a>
<span class="sourceLineNo">023</span>        private static int number = 0;<a name="line.23"></a>
<span class="sourceLineNo">024</span><a name="line.24"></a>
<span class="sourceLineNo">025</span>        /**<a name="line.25"></a>
<span class="sourceLineNo">026</span>         * Webcam instance to be disposed / closed.<a name="line.26"></a>
<span class="sourceLineNo">027</span>         */<a name="line.27"></a>
<span class="sourceLineNo">028</span>        private Webcam webcam = null;<a name="line.28"></a>
<span class="sourceLineNo">029</span><a name="line.29"></a>
<span class="sourceLineNo">030</span>        /**<a name="line.30"></a>
<span class="sourceLineNo">031</span>         * Create new shutdown hook instance.<a name="line.31"></a>
<span class="sourceLineNo">032</span>         * <a name="line.32"></a>
<span class="sourceLineNo">033</span>         * @param webcam the webcam for which hook is intended<a name="line.33"></a>
<span class="sourceLineNo">034</span>         */<a name="line.34"></a>
<span class="sourceLineNo">035</span>        protected WebcamShutdownHook(Webcam webcam) {<a name="line.35"></a>
<span class="sourceLineNo">036</span>                super("shutdown-hook-" + (++number));<a name="line.36"></a>
<span class="sourceLineNo">037</span>                this.webcam = webcam;<a name="line.37"></a>
<span class="sourceLineNo">038</span>                this.setUncaughtExceptionHandler(WebcamExceptionHandler.getInstance());<a name="line.38"></a>
<span class="sourceLineNo">039</span>        }<a name="line.39"></a>
<span class="sourceLineNo">040</span><a name="line.40"></a>
<span class="sourceLineNo">041</span>        @Override<a name="line.41"></a>
<span class="sourceLineNo">042</span>        public void run() {<a name="line.42"></a>
<span class="sourceLineNo">043</span>                LOG.info("Automatic {} deallocation", webcam.getName());<a name="line.43"></a>
<span class="sourceLineNo">044</span>                webcam.dispose();<a name="line.44"></a>
<span class="sourceLineNo">045</span>        }<a name="line.45"></a>
<span class="sourceLineNo">046</span>}<a name="line.46"></a>




























































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